$OpenBSD: patch-transfig_sys_c,v 1.2 2009/08/26 13:40:54 sthen Exp $
--- transfig/sys.c.pat.orig	Wed Dec 18 21:34:08 2002
+++ transfig/sys.c	Wed Aug 26 14:30:32 2009
@@ -15,6 +15,7 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
 #include "transfig.h"
 
 #define MAXSYS 10000
